Log Message:
Import lnl-3.4.19 as games/lnl.
Based on PR#44554 by ISHIHARA TAkanori, with some clean up.

Labyrinths & Legends is Rogue like RPG of the system such as
Rogue, Moria, NetHack and "Torneko's Great Adventure".
The "Put a party together." thing that it couldn't be done with
Rogue like is made.